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EWriter edited this page Dec 24, 2021 · 10 revisions
  • An abstract class hides the implementation? An abstract class implements an interface?

move answeered and unanswered questions from DiagonalDifference to this wiki

what is a superclass

research the different types of streams

create an explainer or cheatsheet for Oracle's Javadoc style including All Implemented Interfaces: Direct Known Subclasses: https://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html

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